1. Herbert M. The future of autism research. Keynote address at the Autism Society’s 40th National Conference on Autism Spectrum Disorders, July 23, 2009. http://www.youtube.com/watch?v=nm2YbgziYwc (Accessed 7/3/11).
2. Pangborn JB. Personal communication 2010.
3. Infantile autism and the liver: a possible connection;Cohen;Autism,2000
4. Relative carnitine deficiency in autism;Filipek;J Autism Dev Disord,2004
5. Review article: the concept of entero-colonic encephalopathy, autism and opioid receptor ligands;Wakefield;Aliment Pharmacol Ther,2002